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ChemicalBook CAS DataBase List 2-ethoxy-5-nitrobenzoic acid
57148-23-9

2-ethoxy-5-nitrobenzoic acid synthesis

13synthesis methods
-

Yield:57148-23-9 97.7%

Reaction Conditions:

with potassium hydroxide at 60 - 80;

Steps:

17.g4 Preparation of compound G1-4-17

A mixture of (Gl-3-13)2-ethoxy-5-nitro-benzoic acid methyl ester(6 g, 26.7 mmol)Add 250ml eggplant-shaped bottle,Then, 50 ml of 7 K,Heating to 60-80 ° C, then add potassium hydroxide (3g, 53.6mmol), reaction 4-6h, after the end of the reaction by adding hydrochloric acid to adjust PH <3, a white crystal precipitation,Pure 2-ethoxy-5-nitro-benzoic acid was obtained by filtration under reduced pressure(5. 5 g, 97.7%)

References:

CN106167456,2016,A Location in patent:Paragraph 0030